145130242 has 8 divisors (see below), whose sum is σ = 223005132. Its totient is φ = 70795200.

The previous prime is 145130179. The next prime is 145130263. The reversal of 145130242 is 242031541.

It can be written as a sum of positive squares in 2 ways, for example, as 144937521 + 192721 = 12039^2 + 439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884859 + ... + 885022.

Almost surely, 2^145130242 is an apocalyptic number.

145130242 is a deficient number, since it is larger than the sum of its proper divisors (77874890).

145130242 is a wasteful number, since it uses less digits than its factorization.

145130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769924.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 145130242 is about 12047.0013696355. The cubic root of 145130242 is about 525.5160362213.

Adding to 145130242 its reverse (242031541), we get a palindrome (387161783).

The spelling of 145130242 in words is "one hundred forty-five million, one hundred thirty thousand, two hundred forty-two".